Vivísimo (http://vivisimo.com), the leading provider of clustering and meta-search software for organizing search results, today announced the first group of ClusterMed™ biopharma customers following the recent April 2004 product launch. A total of six companies have adopted ClusterMed including BioSynexus, Inc., Cetek Corporation, Exact Sciences, Hydra Biosciences, Inc. and Neurotech USA. ClusterMed™ clusters PubMed® search results into hierarchical folders, allowing researchers to focus on the most valuable results quickly in a chronological list. By clustering results into spontaneous categories, staff scientists and senior executives alike discover secondary or emergent themes relating to the query.